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Trusted global supplier with over 30 years of expertise. Serving customers in more than 100 countries with high-quality refrigerants, industrial gases, and certified pressure vessels.
A subsidiary of Sino Resource Group, Koman’s Refrigeration Industry Co., Ltd. has been a pioneer in the global gas industry since 2003.
With over 30 years of expertise, Koman's Gas is a trusted name in refrigerants and industrial gases. We specialize in comprehensive categories including HFO, HFC, HCFC, and natural refrigerants, as well as cryogenic and high-purity industrial gases.
Our mission is to deliver safe, reliable, and environmentally responsible gas solutions to customers across 100+ countries.
Global Industry Leadership
High-quality refrigerants, industrial gases, fuel cylinders, and certified pressure vessels designed for safety, efficiency, and global compliance.
Low-GWP, eco-friendly solutions for modern cooling systems.
High-performance refrigerants for commercial and industrial applications.
Legacy refrigerant with transitional use in existing systems.
Sustainable, zero ODP solutions for green refrigeration.
High-purity liquefied gases for industrial and medical use.
Precision gases for electronics, research, and specialty applications.
Reliable fuel sources for welding, heating, and combustion.
Durable, certified containers for safe gas storage and transport.
Bulk transport solutions for refrigerants and industrial gases.
Specialty gases for controlled atmospheres and industrial processes.
Countries Served
Years of Expertise
Smart Park, Ningbo
Quality Certified
We offer HFO, HFC, HCFC, and natural refrigerants including R1234yf, R32, R410a, R22, R290, and R744.
Yes, our cylinders and ISO tanks are certified by ASME, CE, DOT, GB, IMDG, ADR, and TC standards.
Yes, we provide bulk supply via ISO tanks and ton containers for industrial and commercial clients.
Our headquarters is in Ningbo, China: SINO RESOURCE MANSION, 6B SMART PARK, No.99 XIANGYUN ROAD.
Phone: +86 158 6726 2567
WhatsApp: Available via official website
Address: Ningbo, China
We're here to support your gas and refrigerant needs. Visit us or contact through our official channels.
Phone: +86 158 6726 2567
Address: SINO RESOURCE MANSION, 6B SMART PARK, No.99 XIANGYUN ROAD, NINGBO, CHINA
WhatsApp and email inquiries are handled through the official website.
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